Features: 1. The product comes with two types of triggers, choose one according to your preference, install the trigger onto the back clamp surface shell, align the trigger screw with the screw hole position, and rotate clockwise to lock the trigger. 2. The product back clip bracket is compatible with Xbox one; Xbox 0ne S/X; Xbox Series S/X original handle, snap the back clamp bracket with the trigger installed into the back of the handle; Using Xbox One; When using the Xbox one S/X handle, it is necessary to attach the silicone pad that comes with this product to the back clip bracket to enhance its durability. 3. Insert the Micro male end of the Micro short data cable configured for the product into the Micro port on the back clip, and connect the other end to the charging port of the handle. The product is equipped with two types of short data cables connected to the handle, compatible with Micro and Type-c charging ports, Xbox One; Xbox One S/X handle selects Micro to Micro short data cable; Xbox Series S/X handle selects Micro to Type-c short data cable. 4. Insert the matching USB to Type-C long data cable Type-C male into the Type-C port on the back clip, and the other end of the USB male into the host for connection; Connect OK to use this product. 5. Instructions for setting the back clip button: Custom Key Function Settings: The product has a total of 4 custom keys, with default key values being the up/down/left/right functions of the cross key.Long press and hold the SET button for three seconds, and the LED indicator light will flash. Enter the setting mode. Press and hold the button that needs to be set on the handle, and then press the custom key on the back clip. This custom key setting is completed, and continue to set the next custom key (except for the control key that cannot be set, other keys can be set according to this step). After setting all the custom keys, press the set button again, and the LED indicator light will turn off. The setting is successful, At this point, the custom key function can be used normally. Cancel the custom key function: Press and hold the (SET) setting key for three seconds, and the LED indicator light will flash. Press one of the custom keys set on the back, or press multiple custom keys in sequence, and then press the SET setting key. The LED indicator light will go out. At this time, the previously pressed custom key function has been cancelled, and pressing this definition key again will have no function. Clear setting function: Long press and hold the (CLEAR) clear button for 5 seconds, and the LED indicator light will light up once. At this time, all the previously set custom keys will be cleared. After clearing, the custom keys will return to their default key values, and the default key values for 1/2/3/4 of the custom keys are the up/down/left/right functions of the cross key. 6. Headphone usage: Insert the earphones into the audio port on the back clip to use the earphone function normally.